I have been emailing nRF51822 module suppliers asking for pricing, availability and datasheets. The datasheets will be placed for now in Dewbly shared docsNordicModule data sheets. These are the replies.
From nRF email@example.comXunTong Technology
Glad to get your email. this is Echo from XunTong Technology ,nice to know you.
About the datasheet of PTR5518, PTR5528 and PTR9018, see the file attaches, PTR5518 is CE and FCC is certificated, and PTR5528 and PTR9018 are not certificated.
For the Modules, we don’t programme the Chips NRF51822-QFAA, total 256K flash, 80K for BLE stack, others for your firmware.
David, no distributor in US, you can send sample orders and small amount orders on Alibaba-Aliexpress store, for large Qty orders, let’s disscuss the details .
David,would you pls simply introduced your project and product, we have enginners for technical support for cusomer’s development.